Bierce



(No Model.) 3 lSheets-Sheet 1.

A. GIESLBR. 4WATLR WHEEL GoVBRNoR.

A. GIESLER. WATER WHEEL GoVEENoE.

3 Sheets-Sheet 2.

(No Model.)

No'. 540,094. Patented May 28, 1895;V

(No Model.) 3 Sheets-Sheet 3. AA. GIESLER. WATER WHEEL GOVERNOR.v

No. 540,094. Patented May 28, 1895.

UNTTED STATES PATENT OFFICE.

ARTHUR GIESLER, OF DAYTON, OHIO, ASSIGNOR TO THE STILNVELL- BIEROE &SMITH-VAILF. COMPANY, OF SAME PLACE.

WATERf-WHEEL GOVERNOR.

SPECIFICATION forming part of Letters Patent No. 540,094, dated May 28,1895. Appiano.. nea August is, 1394. sena No. 520.221- (No modem To @ZZwhom it may concern:

Be it known that I, ARTHUR GIESLER, residing at Dayton, in the county ofMontgomery and State of Ohio, have invented certain new and usefulImprovements in Water- Wheel Governors, of vwhich the following is aspecification.

The object of my invention is to provide a sensitive governor for waterwheels and more especially wheels adapted to drive an electric dynamo.Electric governors are very sensitive but they are liable to get out oforder by the burning out of fuses, the effect of lightening and someother causes. It istherefore desirable to combine an electric with acentrifugal governor so that in the case of accident to the former thecentrifugal governor will act to control the speed of the water wheel.

My invention relates, first, to the construction of an electric governorwhich will operateindependently, and, second, the combination of anelectric and a centrifugal governor, so that either one or both may act,each without interfering with the other.

The features of my invention will be more fully set forth in thedescription of the accompanying drawings making a part of thisspecification, in which` Figure 1 is a side elevation of my improvement.Fig. 2 is a plan view'of Fig. 1. Fig. 3 is a sectional elevation of theworm -shaft and nut. loose epicycloidal gear-wheels. Fig. 5 is asectional elevation of a dash-pot and connections with anelectric-needle arm. Fig. 6 is a seotion on the line m fr, Fig. 2. Fig.7 is a sectional elevation, partly in section, on the line o r, Fig. 6.Fig. 8 is an elevation of the pawlsegment, and Fig. 9 is an elevation ofthe rocking segment.

1 represents a driving pulley for the centrifugal governor; 2, drivingshafts; 3 4, gear wheels transmitting motion to shaft 5; 6, bevel gearon shaft 5 transmitting motion to bevel gear 7; 8, governor shaft; 9,weights of centrifugal governor; 10, connecting rod operating the rockersegment 11; 11 12, pawls operated by rocker segment 11, also engagingwith the gear 13, keyed upon shaft 14.

15 represents transmitting gear keyed upon Fig. Ltis a sectionalelevation of the opposite end of shaft 14; 16, driving gear fortransmitting motion to the gate of an ordinary water wheel so as to openand close the same as it is revolved in the proper direction.

Referring to Fig 2, of the drawings, it will be noted that the twoopposing pawls 12, are operated upon the gear wheel13, by the rocker arm10, so that one pawl is moved forward while the other is moved backward,and Vice versa, according to the direction in which the transmittingwheel is turned.

When the balls 9, are raised, the shaft 8, is depressed. The shaft 8,1'shinged to the rocking lever 17, which is in turn connected by means ofthe link 1S, to the rocking segment 19. This segment is rocked or movedso that the slot 2O in the periphery of said segment is brought underonef'of the pawls 12, allowing said pawl to drop into engagement withthe teeth of the rack gear 13. The shaft 14 which oscillates the segmentarm 11, will move the rack gear 13 and consequently move the gate gearin a given direction. When the balls 9 are lowered, a reverse motion ofthe gate gear is effected. It will be seen that the connecting rod 10 isjournaled upon a crank pin or shaft 5 which constantly oscillates thepawl segment with every revolution of said shaft 5, but the pawls do notengage with the teeth of rack gear 13 until the segment 19 is moved soas to bring the recess 2O opposite the said pawls when it will engagewith the teeth of the rack gear 13.

The above described parts represent a centrifugal water wheel governorof the ordinary construction, the operation of the centrifugal governorbeing Such as to revolve shaft 14 in one direction or theother,transmitting the proper motion to the gate shaft. In order tocombine this or any other ordinary centrifugal governor of awater wheelwith an electric governor so that either or both of the governors may beoperated automatically as occasion requires, l have provided thefollowing devices.

A represents a gate shaft which opens and closes the gates of a4 waterwheel as it is turned in the proper direction. This shaft is driven byshaft B and bevel gear connections c, b. The centrifugal governor gearwheel 1G, is keyed upon sleve C which is journaled upon shaft B.

D represents a bevel gear affixed to sleeve C. E represents a bevel gearaffixed to sleeve e which is loosely journaled upon shaft B.

F, G, represent loose wheels journaling upon the hubs ofa collar shafte'. This collar shaft is keyed to shaft B.

The gears D, E, F, G, form an epicyclieA train, so that when the lsleeveC is revolved it will transmit motion to the shaft B through gears F, G,revolving on gear E as a center, and when gearE is revolved it willdrive the gears F, G, which will revolve around gearD as their center,and transmit motion to shaft B.' Sleeve C is driven by a centrifugalgovernor to transmit motion to shaft B, and sleeve e is operated by theelectric governor to transmit motion to the said shaft B.

In the operation of the two governors, independently, when power isapplied from the electrical governor side of the apparatus to transmitmotion to shaft B, through gears E, F, and G, the gears F and G, simplytravel around gear wheel D as a center, and do not turn the same as itis held against such turning movement by the frictional resistance ofthe operating parts. On the other hand, if power is applied from themechanical governor side of the apparatus, from pulley l, through gears15, 16, sleeve C,.gear D, and gears F, G to the shaft B, said gears F,G, would not transmit motion to gear E, ou sleeve e, but would simplytravel around said latter named gear which is held against backwardrotation owing to the frictional resistance of the gears meshingtherewith.

The electric governor apparatus is preferable as follows:

H, H', represent loose pulleysjournaliug on shaft h. They are driven bybelts in opposite directions. Pulley H is preferably larger or elsegeared to run faster than pulley H', and controls the opening of thegates. Pulley H', runs in a direction for closing the gates. Thesepulleys are adapted to be clutched to the shaft h by means of frictionclutches I, l', which are controlled and operated by the increase anddecrease of the electric current to clutch either of the pulleys H, H',to the shaft i-n the following manner.

J represents a solenoid coil connected in circuit by the wiresf, g.

J' represents asegmental core pivoted upon the shaft c'.

L represents a cross head.

Z Z' represent terminals on said. cross head.

M, M', represent terminals mounted upon tracted to the core or magnet O.Armature- P is provided with a yoke o in the rear of its center p whichengages with the spool of the clutches I, I', and thus-brings theclutched v disk I' into frictional contact with the pulley H' whichrevolves the shaft h and transmits motion by gear Zt' to the gear Q onsleeve e,

and drives it in the proper direction for transl mitting motion to shaftA for closing the water wheel gate. The movement of the core J' in theopposite direction will bring the terminals Z, M, in contactand bringthe magnets O' in circuit, attracting the armature P to said cores andbringing the disk I into frictional engagement with the disk of pulleyI-I, and 9o this will drive the shaft h in the opposite direction sayfor opening the gates of the water wheel.

In order that the circuits may be quickly and automatically broken so asto cut out either of the magnets O, O', as the case may be, I haveprovided the following devices: The terminals, M, M', are mounted uponthe arms of yoke N and insulated from metallic connection with the yokeN by means of the hubs N', N2. The axis of the yoke is screw shreadedand receives a'worm or screw shaft R. Said shaft is provided with afriction pulley R' in engagement with the disk R2, of shaft h. Now asthe disk R2 is driven in either direction it will by frictionalengagement with the pulley R' drive the shaft R which will move the axisof yoke N longitudinally on said shaft and break the contact of theterminals Z' with M', or Z with M, as the case may be. Hence the switchor cut-out mechanism is operated by the same shaft which transmitsmotion to the gate moving shaft, so that a small amount of gate movementtakes place before the current of the battery is broken and theoperation of the electric governor is stopped. As this governor is verysensitive and the rapid making or breaking of the contact would causevibrations of the lever K, I atttach thereto a dash pot so as to preventundue vibratory motion.

al represents a dash pot rod carrying the dash 0'. q represents the tanklled with liquid in which the dash o moves backward and forward. Thissteadics the movement of lever K and prevents undue vibrations thereof.It is desirable also to prevent the gates from being4 opened or closedtoo far. Hence I provide a safety stop mechanism operated by theelectrically controlled train of gears to stop excessive motion ineither direction. The

rear end of the armature P is projected be- IOC Iog

tween the arms 77,0, of yoke T. Threads are chased in the arms r of theyoke T and they engage with threads of thel worm shaft t.

U represents a gear Wheel on the end of said shaft which receives motionfrom the gear wheel Uf on the' sleeve e of shaft B. Now when said sleeveis driven in either direction the shaft t is controlled in acorresponding direction, and it moves one ot' the arms r into contactwith the end of armature P, breaking its connection with the cores ofmagnets O or O', as the case may be, and thus, releases the clutchconnection of disks I, I', Withtheir pulleys H, H', and stops thetransmission of motion to shaft h. The operation of the arms r by theadjustment ot' the speed of shaft t is such as to bring one or the otherof these arms into contact with the armature lever P just as the extrememovement of the gate has taken place. Under ordinary circumstances theelectric cut-out operated by the shaft R will cut out the electricmagnet circuits and stop the motion. This switch mechanism is adj ustedso as to break the circuits very quickly, as but a slight movement inopening or closing the gates is ordinarily required to regulate thespeed.

It will be observed that both the electric and the centrifugal governorscan be practically operated at the same time. The one being moresensitive and starting the operation first would be followed up by theother without detriment to the operation of regulating the speed.Ordinarily however, the electric governor being the more sensitive woulddirect and control the speed of the water wheel.

It will be understood of course that the shaftA will control the gatesof more than one water wheel when several water wheels are geared tosaid shaft.

I claim- 1. In combination with a shaft adapted to operate the gates ofa Water Wheel, a centrifugal governor and train, and an electricgovernor and train, cach geared to turn the gate shaft, and adapted towork independently or in unison to control the gate,'and means connectedto the electric train for limiting the movement of the gate shaft,substantially as described.

2. In combination with atransmitting shaft, of an electric governor andits train, a centrifugal governor and its train, and an epicyclic gearmounted upon said shaft and geared to each of said trains independently,substantially as described.

3. In a water wheel governor, the combination with the gate-shaft A, anddrive-shaft B, of a centrifugal governor and train located to one sideof said drive shaft, an electrical governor and train located to the.other side of the drive-shaft, and an epicyclic gear carried by saiddrive-shaft and operated by the train l ot' the centrifugal governor, orthe train of the electrical governor, either simultaneously orindependently, substantially as described.

4.- In a water-Wheel governor, the combination with the gate-shaft A.,and drive-shaft B,

geared to said gate-shaft, of the pulley-shaft h, located alongside thedrive shaft and geared thereto, oppositely revolving pulleys mounted onsaid pulley-shaft, friction clutches I, I', mounted on said latter namedshaft, intermediate the pulleys, an armature lever adapted to operatesaid clutches, and electro-magnets and their circuits for controllingthe armature-lever, substantially as described.

5. In a water-wheel governor, the combination with the gate-shaft A, anddrive-shaft B, geared thereto, of a pulley-shaft h located alongside thedrive-shaft and carrying pulleys H, H', clutches I,`I, adapted to engagesaid pulleys, an armature lever P arranged to operate said clutches,magnets O, O', and their circuits adapted to actuate saidarmature-lever, a threaded shaft t, located intermediate the drive andpulley shafts, and geared to the former and arms r, r', moving upon saidthreaded shaft, and adapted to control the movement of thearmature-lever, as and for the purpose described.

6. In an electric governor for water-wheels, the combination with thegate-shaft A, and drive-shaft B, geared thereto, of the pulleyshaft hlocated alongside, and geared to the drive-shaft, pulleys carried bysaid pulleyshaft, clutches located intermediate the pulleys, andarmature lever operated by electromagnets O, O, and adapted to actuatethe clutches, a disk R2, mounted on the end of the pulley-shaft, ascrew-shaft R, mounted at right angles to said pulley shaft, andcarrying a friction pulley R which engages the disk R2, a solenoid andits core connected in circuit with the magnets O, O, and an automaticcut-out carried by the screw shaft, and adaptedto control the electriccircuit, substantially as described.

7. In an electric water-wheel governor, the combination with thegate-shaf t A, and driveshaft B, of the screw-shaft R carrying afriction pulley R', gearing intermediate the screwshaft and gate-shaftwhereby motion is communicated from one to the other, a yoke N carriedby said screw-shaft, terminals M, M on said yoke, a solenoid and coreand their circuits a lever K carried by said core and provided with across-head L, terminals l, Z

mounted on said cross-head and adapted to` engage with the terminals onthe yoke, and a dash-pot connected to the core arm, as and for thepurpose described.

8. In combination with an electric-governor and its train of gearsoperated by electric circuits, and an armature common to both circuits,a st op mechanism operated by the transmitting mechanism and adapted toengage with the armature lever at intervals for the purpose described, asolenoid and core opery tion with the shaft h, carrying oppositely re-lby a solenoid and its core, two pairs of magnets and electric circuitsconnected with said core through terminals controlled by said solenoidand core, a shaft R geared to the gateshaft, and an automatic cut-outoperated by said shaft R, substantially as and for the purposedescribed.

l0. In a water wheel governor, the-combinavolving pulleys H, H', andfriction clutches I, I', of the electro-'magnets O, O', and theircircuits automatically controlled by a main circuit, an armature lever Pengaging with the frictional clutch and adapted to convey motion to theshaft h, and a mechanical device operating upon said armature lever tobreak its connect-ion with the cores of the magnets in either direction,substantially as described.

1l. In combination with the gate-shaftof a Water-Wheel, of a centrifugalgovernor and its train, and an electric governor and its train, each ofsaid trains being geared to the gate shaft and adapted to operate thesame independently or in unison, substantially as described.

In testimony Whereof I have hereunto set my hand. Y Y

ARTHUR GIESLER. Witnesses: Y

CHARLES W. DAL-n,

'WILLIAM H. DALE.Y

